﻿/*
 * Copyright (c) 2006, Swedish Institute of Computer Science.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * This file is part of the Contiki operating system.
 *
 */

/**
 * \file
 *         A very simple Contiki application showing how Contiki programs look
 * \author
 *         Adam Dunkels <adam@sics.se>
 */

#include <stdio.h> /* For printf() */
#include "contiki.h"
#include "contiki-net.h"
#include "net/ip/dhcpc.h"


void tcp_sever_init(void);

/*---------------------------------------------------------------------------*/
PROCESS(hello_world_process, "Hello world process");
AUTOSTART_PROCESSES(&hello_world_process);

/*---------------------------------------------------------------------------*/
void
dhcpc_configured(const struct dhcpc_state *s)
{
    uip_sethostaddr(&s->ipaddr);
    uip_setnetmask(&s->netmask);
    uip_setdraddr(&s->default_router);
    uip_nameserver_update(&s->dnsaddr, UIP_NAMESERVER_INFINITE_LIFETIME);

    printf("dhcp configured.\n");

    printf("Got IP address %d.%d.%d.%d\n", uip_ipaddr_to_quad(&s->ipaddr));
    printf("Got netmask %d.%d.%d.%d\n",    uip_ipaddr_to_quad(&s->netmask));
    printf("Got DNS server %d.%d.%d.%d\n", uip_ipaddr_to_quad(&s->dnsaddr));
    printf("Got default router %d.%d.%d.%d\n", uip_ipaddr_to_quad(&s->default_router));
    printf("Lease expires in %ld seconds\n", uip_ntohs(s->lease_time[0]) * 65536ul + uip_ntohs(s->lease_time[1]));

//  process_post(PROCESS_CURRENT(), SHOWCONFIG, NULL);
}
/*---------------------------------------------------------------------------*/
void
dhcpc_unconfigured(const struct dhcpc_state *s)
{
    printf("dhcp unconfigured.\n");

//  process_post(PROCESS_CURRENT(), SHOWCONFIG, NULL);
}

/*---------------------------------------------------------------------------*/
PROCESS_THREAD(hello_world_process, ev, data)
{
//    static struct etimer timer;

    PROCESS_BEGIN();

    /* Setup a periodic timer that expires after 10 seconds. */
//    etimer_set(&timer, CLOCK_SECOND * 10);

    dhcpc_init(uip_lladdr.addr, sizeof(uip_lladdr.addr));
    
    tcp_sever_init();

    dhcpc_request();

    while (1)
    {
        PROCESS_WAIT_EVENT();

        if (ev == tcpip_event || ev == PROCESS_EVENT_TIMER)
        {
            dhcpc_appcall(ev, data);
        }

        /* Wait for the periodic timer to expire and then restart the timer. */
//        PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&timer));
//        etimer_reset(&timer);
    }

    PROCESS_END();
}
/*---------------------------------------------------------------------------*/
